Effect of growth hormone on surface charge and electrophoretic mobility of thymocytes from young and aged rats.

Abstract:

:The electrophoretic mobility and surface charge of thymocytes was reduced on incubation of the cells with growth hormone in vitro. All cells in thymus were not found to be sensitive to the hormone. The proportion of cells whose surface charge was altered by the hormone was 65% in the thymocytes from 5-week-old rats. The subpopulation of hormone-sensitive cells was reduced to 19% of the total teased-out thymocytes in 1-year-old rats and was below the level of detection in thymocytes derived from 11/2-year-old rats. Analytical studies showed that the alteration in the surface charge of the hormone-sensitive subpopulation was nearly of the same order in thymocytes derived from 5-week and 1-year-old rats, suggesting that the binding capacity of the cells for the hormone was presumably similar at the two ages. On the other hand the quantitative preponderance of the subpopulation of cells sensitive to growth hormone diminishes with age, reaching insignificant levels at 11/2 years.

journal_name

Mol Cell Endocrinol

authors

Hanjan SN,Talwar GP

doi

10.1016/0303-7207(75)90044-1

keywords:

subject

Has Abstract

pub_date

1975-09-01 00:00:00

pages

185-201

issue

3

eissn

0303-7207

issn

1872-8057

journal_volume

3

pub_type

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